22023732 has 24 divisors (see below), whose sum is σ = 52778656. Its totient is φ = 7142688.

The previous prime is 22023713. The next prime is 22023739. The reversal of 22023732 is 23732022.

It is a junction number, because it is equal to n+sod(n) for n = 22023699 and 22023708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24358 + ... + 25245.

Almost surely, 2^22023732 is an apocalyptic number.

It is an amenable number.

22023732 is an abundant number, since it is smaller than the sum of its proper divisors (30754924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22023732 is a wasteful number, since it uses less digits than its factorization.

22023732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49647 (or 49645 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 22023732 is about 4692.9449176397. The cubic root of 22023732 is about 280.3046513999.

Adding to 22023732 its reverse (23732022), we get a palindrome (45755754).

The spelling of 22023732 in words is "twenty-two million, twenty-three thousand, seven hundred thirty-two".